JPH0820244B2 - Scale plate - Google Patents
Scale plateInfo
- Publication number
- JPH0820244B2 JPH0820244B2 JP3167170A JP16717091A JPH0820244B2 JP H0820244 B2 JPH0820244 B2 JP H0820244B2 JP 3167170 A JP3167170 A JP 3167170A JP 16717091 A JP16717091 A JP 16717091A JP H0820244 B2 JPH0820244 B2 JP H0820244B2
- Authority
- JP
- Japan
- Prior art keywords
- scale
- adhesive layer
- holder
- groove
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012790 adhesive layer Substances 0.000 claims abstract description 39
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Glass Compositions (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、目盛を有する目盛ホ
ルダーを基体上に接着層で固定している、特に位置測定
装置の目盛板に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scale holder for fixing a scale holder having a scale on a substrate with an adhesive layer, and more particularly to a scale plate for a position measuring device.
【０００２】[0002]
【従来の技術】この種の目盛板は、特に二つの物体、例
えば工作機械の二つの機械部品の相対位置を測定する位
置測定装置で使用される。ドイツ特許第 25 05 587号明
細書により、基体と目盛ホルダーの温度膨張係数が異な
る場合、測定の不正確を防止するため、目盛ホルダーが
基体としてのケースに直接接触することなく弾性的な接
着層で固定されている測長装置が知られている。2. Description of the Prior Art Scale plates of this kind are used in particular in position measuring devices for measuring the relative position of two objects, for example two machine parts of a machine tool. According to German Patent No. 25 05 587, when the temperature expansion coefficient of the base body and the scale holder are different, in order to prevent inaccurate measurement, the scale holder does not come into direct contact with the case as the base body and an elastic adhesive layer A length measuring device fixed by is known.
【０００３】ドイツ実用新案第 89 11 313号明細書には
或る目盛板が開示されている。この目盛板では、ガラス
製の目盛ホルダーを硬質接着剤の薄い非弾性的な接着層
によって鋼鉄製の基体上に固定し、温度変化がある場
合、鋼鉄製の基体の温度特性を前記硬質接着層を介して
ガラス製の目盛ホルダーに分担させているので、目盛板
はこの板を固定している鋼鉄製の機械部品の温度特性に
大体一致している。大部分の力を伝達するためのできる
限り薄い硬質接着層を得るには、接着作業の間、基体の
接着面および／または目盛ホルダーの接着面に過剰な硬
質接着剤を収納する窪みが設けてある。German Utility Model 89 11 313 discloses a scale plate. In this scale plate, a glass scale holder is fixed on a steel base by a thin non-elastic adhesive layer of a hard adhesive, and when there is a temperature change, the temperature characteristics of the steel base are determined by the hard adhesive layer. Since it is shared by the glass graduation holder via the, the graduation plate roughly matches the temperature characteristics of the steel mechanical parts that fix the plate. To obtain the thinnest possible hard adhesive layer for the transmission of most forces, the adhesive surface of the substrate and / or the adhesive surface of the scale holder should be provided with recesses to accommodate the excess hard adhesive during the bonding operation. is there.
【０００４】ドイツ特許第 26 43 304号明細書には或る
測長器が開示されている。この測長器では、目盛ホルダ
ーが基体としてのケースの測定方向に延びる溝に載置さ
れている。この目盛ホルダーの中心を弾性的な接着剤で
溝の中に、また両側に対して溝の中の強い弾性的な接着
剤で基体に連結し、基体に無関係にその中心からの熱膨
張を一様にしている。そのため、目盛ホルダーの中心が
基体に対する位置を不変に維持されている。German Patent No. 26 43 304 discloses a length measuring machine. In this length measuring instrument, a scale holder is placed in a groove extending in the measuring direction of a case as a base body. The center of the scale holder is connected to the base with elastic adhesive in the groove, and to both sides with strong elastic adhesive in the groove for both sides, so that the thermal expansion from the center is independent of the base. I am doing it. Therefore, the position of the center of the scale holder with respect to the base is maintained unchanged.
【０００５】基体および／または目盛ホルダーの接着面
への接着層の接着は、それ等の表面特性により清潔さに
多かれ少なかれ依存しているので、基体および／または
目盛ホルダーの接着層の部分的な剥がれが生じる。従っ
て、目盛ホルダーの目盛面の平坦さに影響が出る。そし
て、この目盛面と走査ユニットの走査目盛面の間の走査
間隔が変化する。このことは、測定を不正確にし、誤動
作を与える。The adhesion of the adhesive layer to the adhesive surface of the substrate and / or the scale holder depends more or less on the cleanliness due to their surface properties, so that the adhesive layer of the substrate and / or the scale holder is partially adhered. Peeling occurs. Therefore, the flatness of the scale surface of the scale holder is affected. Then, the scanning interval between this graduation surface and the scanning graduation surface of the scanning unit changes. This makes the measurement inaccurate and gives a malfunction.
【０００６】[0006]
【発明が解決しようとする課題】この発明の課題は、冒
頭に述べた種類の目盛板の場合、基体および／または目
盛ホルダーの接着面に接着層が確実に付着することを保
証することにある。SUMMARY OF THE INVENTION The object of the invention is to ensure, in the case of a scale plate of the type mentioned at the outset, that the adhesive layer is reliably attached to the adhesive surface of the substrate and / or the scale holder. .
【０００７】[0007]
【課題を解決するための手段】上記の課題は、この発明
により、目盛を有する目盛ホルダーを基体上に接着層で
固定している位置測定装置の目盛板にあって、基体１お
よび／または目盛ホルダー５がアンダーカット式に貫通
または部分的に少なくとも一つの溝Ｎおよび／または突
起Ｐを有し、接着層６が基体１と目盛ホルダー５の間で
溝Ｎを一体的に塞ぐか、突起Ｐを一体的に取り巻き、基
体１と目盛ホルダー５を確実に保持することによって解
決されている。According to the present invention, there is provided a scale plate of a position measuring device in which a scale holder having a scale is fixed on a base with an adhesive layer. The holder 5 has at least one groove N and / or a protrusion P which penetrates or partially undercuts, and the adhesive layer 6 integrally closes the groove N between the base 1 and the scale holder 5, or the protrusion P. Is integrally surrounded, and the base 1 and the scale holder 5 are securely held, which has been solved.
【０００８】この発明による他の有利な構成は、特許請
求の範囲の従属請求項に記載されている。Further advantageous configurations according to the invention are described in the dependent claims.
【０００９】[0009]
【実施例】以下、この発明、その他の構成およびこの構
成よって得られる利点を、実施例を示す図面に基づきよ
り詳しく説明する。図１には、二つの物体の相対位置を
測定する封入型の測長装置の断面が示してある。基体と
してのこの装置のケース１は第一の物体１にボルト３で
固定されている。ケース１の内部には、載置面４のとこ
ろで目盛ホルダー５が接着層６により公知の方法で固定
されている。目盛ホルダー５の目盛を走査する走査ユニ
ット７はこの目盛平面上をローラ８により案内され、図
示していないリンク結合部を介して連行体９に接続して
いる。この連行体は組立部材１０を介して第二の物体１
１に固定されている。ケース１には、測定方向に長手ス
リット１２がある。このスリットは屋根状に傾斜した二
つの気密舌部１３で遮断されている。これ等の舌部を貫
通して、連行体９がその二重刃状の部品９a と共に突き
出ている。両方の物体２，１１は図示していない工作機
械の二つの機械部品により形成されている。BEST MODE FOR CARRYING OUT THE INVENTION The present invention, other structures, and advantages obtained by this structure will be described below in more detail with reference to the drawings showing the embodiments. FIG. 1 shows a cross section of an enclosed type length measuring device that measures the relative position of two objects. The case 1 of this device as a substrate is fixed to the first object 1 by bolts 3. Inside the case 1, a scale holder 5 is fixed at a mounting surface 4 by an adhesive layer 6 by a known method. A scanning unit 7 for scanning the scale of the scale holder 5 is guided on the scale plane by a roller 8 and is connected to a carrier 9 via a link coupling portion (not shown). This carrier is connected to the second object 1 via the assembly member 10.
It is fixed at 1. The case 1 has a longitudinal slit 12 in the measuring direction. The slit is blocked by two airtight tongues 13 which are inclined like a roof. Through these tongues, the driver 9 projects with its double-edged component 9a. Both objects 2, 11 are formed by two machine parts of a machine tool, not shown.
【００１０】少なくとも一つの剥がれを防止するため、
この発明により接着層６が基体１および／または目盛ホ
ルダー５のところで一体的に固定されている。図２に
は、図１の測長装置の第一実施例の拡大目盛板が断面に
して示してある。目盛付の目盛ホルダー５a はケースの
形状にした基体１a の載置面４a 上に接着層６a で固定
されている。基体１a はアルミニウム製で、目盛ホルダ
ー５a はガラス製である。ガラス製の目盛ホルダー５a
の接着面１４a に接着層６a を貼り付けることが確実な
固定に充分であるが、アルミニウム製の基体１a では、
接着層６a が基体１a の接着面１５a から部分的に剥が
れることがある。この様な剥離を防止するため、接着層
６a が突起Ｖa により基体１a の接着面１５a の蟻溝に
した窪みＮa に嵌まる。この突起Ｖa は溝Ｎa 全体に嵌
まっているので、接着層６a が基体１a の接着層１５a
に確実に貼り付く。In order to prevent at least one peeling,
According to the present invention, the adhesive layer 6 is integrally fixed at the substrate 1 and / or the scale holder 5. FIG. 2 shows an enlarged scale plate of the first embodiment of the length measuring device of FIG. 1 in cross section. The scale holder 5a with scales is fixed by an adhesive layer 6a on the mounting surface 4a of the case-shaped base 1a. The base body 1a is made of aluminum, and the scale holder 5a is made of glass. Glass scale holder 5a
Adhering the adhesive layer 6a to the adhesive surface 14a of is sufficient for reliable fixing, but with the aluminum base 1a,
The adhesive layer 6a may be partially peeled off from the adhesive surface 15a of the base body 1a. In order to prevent such peeling, the adhesive layer 6a is fitted into the dovetail-shaped depression Na of the adhesive surface 15a of the base body 1a by the protrusion Va. Since the protrusion Va is fitted in the entire groove Na, the adhesive layer 6a is the adhesive layer 15a of the base 1a.
Surely sticks to.
【００１１】図３には、第二実施例の目盛板が断面にし
て示してある。この目盛板では、目盛付の目盛ホルダー
５b がケースにした基体１b の当接面４b に接着剤６b
で固定されている。剥離を防止するため、接着層６b が
二つの突起Ｖb により基体１b の接着面１５b の蟻溝に
した二つの窪みＮb に、また突起Ｖb により目盛ホルダ
ー５b の接着面１４b の蟻溝にした一つの窪みＮb に嵌
まている。これ等の突起Ｖb はこれ等の溝全体に嵌まっ
ているので、基体１b の接着面１５b と目盛ホルダー５
b の接着面１４b に接着層６b を確実に貼り付ることが
できる。FIG. 3 is a sectional view of the scale plate of the second embodiment. In this scale plate, a scale holder 5b with a scale is provided with an adhesive 6b on the contact surface 4b of the base body 1b in the case.
It is fixed at. In order to prevent peeling, the adhesive layer 6b is formed into two depressions Nb formed by the two protrusions Vb into the dovetail groove of the adhesive surface 15b of the substrate 1b, and by the protrusion Vb is formed into one dovetail groove of the adhesive surface 14b of the scale holder 5b. It fits in the depression Nb. Since these protrusions Vb are fitted in the entire grooves, the bonding surface 15b of the base body 1b and the scale holder 5 are attached.
The adhesive layer 6b can be reliably attached to the adhesive surface 14b of b.
【００１２】図４には、第三実施例の目盛板が断面にし
て示してある。この目盛板では、目盛付の目盛ホルダー
５c がケースにした基体１c の載置面４c に接着剤６c
で固定されている。剥離を防止するため、接着層６c が
一つの突起Ｖc により基体１c の接着面１５c のＴ字溝
にした窪みＮc に嵌まる。この突起Ｖc は溝Ｎc 全体に
嵌まるので、基体１c の接着面１５c に接着層６c を確
実に貼り付ることができる。FIG. 4 shows the scale plate of the third embodiment in cross section. In this scale plate, a scale holder 5c with a scale has an adhesive 6c on a mounting surface 4c of a base body 1c in a case.
It is fixed at. In order to prevent peeling, the adhesive layer 6c is fitted into the T-shaped recess Nc of the adhesive surface 15c of the base 1c by the single protrusion Vc. Since the protrusion Vc fits into the entire groove Nc, the adhesive layer 6c can be reliably attached to the adhesive surface 15c of the base 1c.
【００１３】図５には、第四実施例の目盛板が断面にし
て示してある。この目盛板では、目盛付の目盛ホルダー
５d がケースにした基体１d の載置面４d に接着剤６d
で固定されている。剥離を防止するため、接着層６d が
基体１d の接着面１５d に蟻型突起Ｐが嵌まるので、基
体１d の接着面１５d に接着層６d を確実に貼り付るこ
とができる。FIG. 5 shows the scale plate of the fourth embodiment in cross section. In this scale plate, a scale holder 5d with a scale has an adhesive 6d on a mounting surface 4d of a base 1d in a case.
It is fixed at. In order to prevent peeling, since the adhesive layer 6d is fitted with the dovetail-shaped projection P on the adhesive surface 15d of the base 1d, the adhesive layer 6d can be reliably attached to the adhesive surface 15d of the base 1d.
【００１４】接着層６は、例えばシリコンゴムのような
弾性的な接着剤で構成されていると有利である。少なく
とも一個も溝Ｎは接着面１４，１５を貫通してあるいは
部分的に延び、測定方向および／または測定方向に垂直
に延びているとよい。基体１および／または目盛ホルダ
ー５の窪みＮないしは突起Ｐはもちろん任意の形状でよ
い。大切なことは、アンダーカットにより接着層６を基
体１および／または目盛ホルダー５の接着面１５，１４
に一体的に固定することができる点にある。Advantageously, the adhesive layer 6 is made of an elastic adhesive such as silicone rubber. At least one groove N may extend through the bonding surfaces 14 and 15 or partially, and may extend in the measuring direction and / or perpendicular to the measuring direction. The depression N or the projection P of the base body 1 and / or the scale holder 5 may of course have any shape. What is important is that the underlayer cuts the adhesive layer 6 to the substrate 1 and / or the adhesive surfaces 15 and 14 of the scale holder 5.
The point is that it can be fixed integrally.
【００１５】この発明は、例えばドイツ特許第 28 41 5
01号明細書に記載されているような測角装置にも使用で
きる。図１の図面とは異なり、この発明は開放した、つ
まり非封入式の測定装置の場合でも応用できる。図示し
ていない方法で、基体および／または目盛ホルダーの接
着面に窪みと突起を任意に組み合わせて使用することが
できる。This invention is described, for example, in German Patent 28 41 5
It can also be used in an angle measuring device as described in the 01 specification. Unlike the drawing in FIG. 1, the invention can also be applied in the case of open, ie non-enclosed measuring devices. Any combination of depressions and protrusions can be used on the adhesive surface of the substrate and / or the scale holder in a manner not shown.
【００１６】[0016]
【発明の効果】この発明により得られる著しい利点は、
特に以下の点にある。即ち、ここに提唱する接着層を基
体および／または目盛ホルダーの接着面に一体的に固定
してその剥がれを確実に防止するので、これにより生じ
る測定の不正確さが生じない点にある。The significant advantages of the present invention are:
In particular, there are the following points. That is, since the adhesive layer proposed here is integrally fixed to the adhesive surface of the base body and / or the scale holder to prevent the peeling of the adhesive layer, the inaccuracy of the measurement is not caused.
【図１】 封入式の測長装置の断面図である。FIG. 1 is a sectional view of an enclosed type length measuring device.
【図２】 図１の測長装置の目盛板の第一実施例の拡大
断面図である。FIG. 2 is an enlarged sectional view of a first embodiment of a scale plate of the length measuring device of FIG.
【図３】 目盛板の第二実施例の拡大断面図である。FIG. 3 is an enlarged sectional view of a second embodiment of the scale plate.
【図４】 目盛板の第三実施例の拡大断面図である。FIG. 4 is an enlarged sectional view of a third embodiment of the scale plate.
【図５】 目盛板の第四実施例の拡大断面図である。FIG. 5 is an enlarged sectional view of a fourth embodiment of the scale plate.
１ 基体（ケース） ２，１１ 物体 ３ ボルト ４ 載置面 ５ 目盛ホルダー ６，１４，１５ 接着層 ７ 走査ユニット ８ ローラ ９ 連行体 １０ 組立部材 １２ 長手スリット Ｎ 溝、窪み Ｖ，Ｐ 突起 1 Base (Case) 2, 11 Object 3 Bolt 4 Mounting Surface 5 Scale Holder 6, 14, 15 Adhesive Layer 7 Scanning Unit 8 Roller 9 Carrying Body 10 Assembly Member 12 Longitudinal Slit N Groove, Dimple V, P Protrusion
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−226809（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-59-226809 (JP, A)
Claims (9)
着層で固定している位置測定装置の目盛板において、基
体（１）および／または目盛ホルダー（５）がアンダー
カット式に貫通または部分的に少なくとも一つの溝
（Ｎ）および／または突起（Ｐ）を有し、接着層（６）
が基体（１）と目盛ホルダー（５）の間で溝（Ｎ）を一
体的に塞ぐか、突起（Ｐ）を一体的に取り巻き、基体
（１）と目盛ホルダー（５）を確実に保持することを特
徴とする目盛板。1. A scale plate of a position measuring device in which a scale holder having a scale is fixed on a base with an adhesive layer, wherein the base (1) and / or the scale holder (5) penetrates or partially in an undercut manner. Has at least one groove (N) and / or protrusion (P), and the adhesive layer (6)
Either integrally closes the groove (N) between the base body (1) and the scale holder (5) or integrally surrounds the protrusion (P) to securely hold the base body (1) and the scale holder (5). Scale plate characterized by that.
を特徴とする請求項１に記載の目盛板。2. The scale plate according to claim 1, wherein the groove (Na) has a dovetail groove type cross section.
を特徴とする請求項１に記載の目盛板。3. Scale plate according to claim 1, characterized in that the groove (Nc) has a T-shaped cross section.
を特徴とする請求項１に記載の目盛板。4. The scale plate according to claim 1, wherein the projection (P) has a dovetail-shaped cross section.
れていることを特徴とする請求項１に記載の目盛板。5. The scale plate according to claim 1, wherein the adhesive layer (6) is formed of an elastic adhesive.
定方向および／または測定方向に垂直に延びていること
を特徴とする請求項１〜６の何ずれか１項に記載の目盛
板。6. Scale according to any one of claims 1 to 6, characterized in that the groove (N) and / or the projection (P) extends in the measuring direction and / or perpendicular to the measuring direction. Board.
体（１）が同時に目盛ホルダー（５）用であり、目盛ホ
ルダー（５）の目盛を走査する走査ユニット（７）用の
ケースを形成し、目盛ホルダー（５）が弾性的な接着層
（６）により基体（１）の当接面（４）に固定され、接
着層（６）が少なくとも一つの突起（Ｖ）により基体
（１）の接着面（１５）の少なくとも一つの溝（Ｎ）に
嵌まっていることを特徴とする請求項１に記載の目盛
板。7. A case for a scanning unit (7), which is a component of an enclosed length measuring device, wherein the base body (1) is for the scale holder (5) at the same time, and which scans the scale of the scale holder (5). And the scale holder (5) is fixed to the contact surface (4) of the substrate (1) by an elastic adhesive layer (6), and the adhesive layer (6) is formed by at least one protrusion (V). Scale plate according to claim 1, characterized in that it is fitted in at least one groove (N) of the adhesive surface (15) of 1).
体（１）および／または目盛ホルダー（５）の接着面
（１５，１４）のとろこを通にして延びていることを特
徴とする請求項４〜６の何れか１項に記載の目盛板。8. The groove (N) and / or the projection (P) extends through the scale of the adhesive surface (15, 14) of the base body (1) and / or the scale holder (5). The scale plate according to any one of claims 4 to 6.
盛ホルダー（５）はガラス製であることを特徴とする請
求項７に記載の目盛板。9. Scale plate according to claim 7, characterized in that the substrate (1) is made of aluminum and the scale holder (5) is made of glass.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4021919A DE4021919C2 (en) | 1990-07-10 | 1990-07-10 | Material measure |
| DE40219194 | 1990-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04232804A JPH04232804A (en) | 1992-08-21 |
| JPH0820244B2 true JPH0820244B2 (en) | 1996-03-04 |
Family
ID=6410005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3167170A Expired - Fee Related JPH0820244B2 (en) | 1990-07-10 | 1991-07-08 | Scale plate |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5157846A (en) |
| EP (1) | EP0465966B1 (en) |
| JP (1) | JPH0820244B2 (en) |
| AT (1) | ATE123336T1 (en) |
| DE (2) | DE4021919C2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4320728C2 (en) * | 1993-06-23 | 2001-08-02 | Heidenhain Gmbh Dr Johannes | Position measuring device |
| DE4406797C2 (en) * | 1994-03-02 | 1997-11-27 | Heidenhain Gmbh Dr Johannes | Position measuring device |
| DE4406799C2 (en) * | 1994-03-02 | 1997-11-06 | Heidenhain Gmbh Dr Johannes | Position measuring device |
| DE4424649C2 (en) * | 1994-07-13 | 1997-11-20 | Heidenhain Gmbh Dr Johannes | Position measuring device |
| DE19543647C2 (en) * | 1995-11-23 | 2000-05-04 | Heidenhain Gmbh Dr Johannes | Length measuring device for measuring the relative position of two objects |
| JPH11190601A (en) * | 1997-12-26 | 1999-07-13 | Mitsutoyo Corp | Micrometer |
| DE19912310B4 (en) * | 1999-03-19 | 2007-11-29 | Dr. Johannes Heidenhain Gmbh | A position |
| JP4477442B2 (en) * | 2004-07-20 | 2010-06-09 | 株式会社ミツトヨ | Linear scale fixing device and fixing method |
| DE102009001212A1 (en) * | 2009-02-27 | 2010-09-02 | Dr. Johannes Heidenhain Gmbh | Assembly for an angle measuring device and corresponding angle measuring device |
| JP2012147203A (en) * | 2011-01-11 | 2012-08-02 | Smk Corp | Sensor module |
| JP6482394B2 (en) * | 2015-06-15 | 2019-03-13 | 三菱電機株式会社 | Optical encoder |
| EP3428175A4 (en) | 2016-03-09 | 2020-02-19 | Glytech, Inc. | Method for producing sugar having sulfate group and/or phosphate group |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1148584A (en) * | 1914-04-06 | 1915-08-03 | Edward W Gerrish | Method of utilizing scrap pieces of material. |
| JPS519772Y2 (en) * | 1971-03-05 | 1976-03-16 | ||
| CH594875A5 (en) * | 1975-02-11 | 1978-01-31 | Heidenhain Gmbh Dr Johannes | |
| DE2505587C3 (en) * | 1975-02-11 | 1980-10-09 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Length measuring device |
| DE2643304B2 (en) * | 1976-09-25 | 1980-01-31 | Fagor Electrotecnica, Sdad.Coop., Mondragon, Guipuzcoa (Spanien) | Photoelectric device for measuring the relative position of objects |
| US4086382A (en) * | 1977-01-05 | 1978-04-25 | American Door Company Of Michigan, Inc. | Method of producing fire resistant wood products and product thereof |
| DE2841501B2 (en) * | 1978-09-23 | 1980-12-18 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Encapsulated angle meter |
| DE3016908C2 (en) * | 1980-05-02 | 1982-04-15 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Precision length measuring device |
| JPS5866001A (en) * | 1981-10-15 | 1983-04-20 | Sony Magnescale Inc | Magnetic scale device |
| DE3335784A1 (en) * | 1983-10-01 | 1985-04-11 | Schott Glaswerke, 6500 Mainz | METHOD FOR PRODUCING AN ADHESIVE JOINT WITH MECHANICAL ACTION |
| DE3410944C1 (en) * | 1984-03-24 | 1985-05-09 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Encapsulated measuring device |
| US4586760A (en) * | 1984-06-01 | 1986-05-06 | Bausch & Lomb Incorporated | Measuring scale casing and mounting spar |
| JPS6135734U (en) * | 1984-08-02 | 1986-03-05 | 株式会社 測機舎 | Mounting mechanism of magnetic scale device |
| DE3519679A1 (en) * | 1985-06-01 | 1986-12-04 | Beitz, Wolfgang, Prof.Dr.-Ing. | Process for producing releasible connections (screw, positive shaft-hub and linear positive-locking connections) by shaped elements of plastic |
| DE8601636U1 (en) * | 1986-01-23 | 1990-02-01 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De | |
| DE8616206U1 (en) * | 1986-06-16 | 1986-07-31 | RSF-Elektronik Gesellschaft m.b.H., Tarsdorf | Encapsulated length measuring device |
| JPS63103909A (en) * | 1986-10-20 | 1988-05-09 | Mitsutoyo Corp | Scale for displacement detection |
| DE8911313U1 (en) * | 1989-09-22 | 1989-11-16 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De |
-
1990
- 1990-07-10 DE DE4021919A patent/DE4021919C2/en not_active Expired - Fee Related
-
1991
- 1991-06-29 DE DE59105612T patent/DE59105612D1/en not_active Expired - Fee Related
- 1991-06-29 EP EP91110826A patent/EP0465966B1/en not_active Expired - Lifetime
- 1991-06-29 AT AT91110826T patent/ATE123336T1/en not_active IP Right Cessation
- 1991-07-08 JP JP3167170A patent/JPH0820244B2/en not_active Expired - Fee Related
- 1991-07-10 US US07/728,106 patent/US5157846A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE4021919A1 (en) | 1992-01-23 |
| EP0465966B1 (en) | 1995-05-31 |
| JPH04232804A (en) | 1992-08-21 |
| DE4021919C2 (en) | 1995-06-08 |
| DE59105612D1 (en) | 1995-07-06 |
| US5157846A (en) | 1992-10-27 |
| ATE123336T1 (en) | 1995-06-15 |
| EP0465966A3 (en) | 1992-08-05 |
| EP0465966A2 (en) | 1992-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960910 |
|
| LAPS | Cancellation because of no payment of annual fees |